Number of base 18 circular n-digit numbers with adjacent digits differing by 7 or less.

A125430

Number of base 18 circular n-digit numbers with adjacent digits differing by 7 or less.

Terms

    a(0) =1a(1) =18a(2) =214a(3) =2202a(4) =25862a(5) =310258a(6) =3787948a(7) =46645456a(8) =577150510a(9) =7159272162a(10) =88927443434

External references